In nowadays society women because of studying, work or false beliefs replace maternal breast feeding for formula feeding. This situation is increasing and many new products appear in the market as substitutes of human milk causing mixed lactation and poor milk secretion. In some health facilities use of formulas is encouraged , and there is a little contact between mother and child which are considered as risk factors for supplementation with artificial formula which do not have immunologic stimulation causing an increase in diarrheal diseases, allergies and respiratory disordersThis study has as its main objective to evaluate the effect of an educational program on promotion of breast feeding applied during pregnancy for acquisition of healthy attitudes toward lactation. It is an experimental, explanatory, comparative, prospective , longitudinal and field, observational study.After givi...